1. S. Ben-David,On Shelah’s compactness of cardinals, Isr. J. Math.31 (1978), 34–56.
2. C. C. Chang,Extensions of combinatorial principles of Kurepa and Prikry, inTheory of Sets and Topology (G. Asser, J. Flachsmeyer and W. Rinow, eds.), VEB Deutscher Verlag der Wissenschaften, Berlin, 1972, pp. 49–57.
3. P. Erdös and A. Hajnal,Unsolved problems in set theory, Proc. Symp. Pure Math. XIII, Part 1, Am. Math. Soc., Providence, RI, 1971, pp. 17–48.
4. P. Erdös and A. Hajnal,Unsolved and solved problems in set theory, Proc. Symp. Pure Math. XXV, Am. Math. Soc., Providence, RI, 1974, pp. 267–287.
5. P. Erdös, A. Hajnal and R. Rado,Partition relations for cardinal numbers, Acta Math. Acad. Sci. Hungar.16 (1965), 93–196.